GoLang ReflectionType::allowsNull

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PHP ReflectionType::allowsNull

PHP original manual for ReflectionType::allowsNull [ show | php.net ]

ReflectionType::allowsNull

(PHP 7)

ReflectionType::allowsNull — Checks if null is allowed

Description

public bool ReflectionType::allowsNull ( void )

Checks whether the parameter allows NULL.

Parameters

This function has no parameters.

Return Values

TRUE if NULL is allowed, otherwise FALSE

Examples

Example #1 ReflectionType::allowsNull() example

<?php
function someFunction(string $param, StdClass $param2 = null) {}

$reflectionFunc = new ReflectionFunction('someFunction');
$reflectionParams = $reflectionFunc->getParameters();

var_dump($reflectionParams[0]->getType()->allowsNull());
var_dump($reflectionParams[1]->getType()->allowsNull());

The above example will output something similar to:

bool(false)
bool(true)

See Also